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Re: st: ICE and two conditions


From   Richard Williams <richardwilliams.ndu@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: ICE and two conditions
Date   Thu, 01 Dec 2011 14:55:20 -0500

At 02:22 PM 12/1/2011, daniel klein wrote:
I feel I have to clarify something here. My statement was mainly
concerned with a quick solution to the problem at hand and might well
have sounded a bit too general. I appologize.

I did not want to state, that you should prefer -mi impute chained-
over -ice- or that -ice- is completely useless now that Stata 12 is
shipped.

From http://www.stata.com/support/faqs/stat/mi_ice.html it is clear,
that at least -ice- includes "stepwise model selection" which -mi
impute chained- does not. I have not looked into the code, but Yulia
Marchenko states that -mi chained- and -ice- use the same method,
which makes me believe there should not be a reason to prefer one or
the other. I would like to hear others to comment on this issue,
especially on passive imputation (e.g. interactions). I could imagine
a gain in execution time of -mi impute chained- over -ice- when using
Stata MP.

Thanks for the clarifications. Previous posts on Statalist have argued against using passive imputation. See

http://www.stata.com/statalist/archive/2009-02/msg00602.html

http://www.stata.com/statalist/archive/2009-02/msg00613.html



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Richard Williams, Notre Dame Dept of Sociology
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